Not sure about 30D...since I am not a canon user, but) U0 x ?1 ?7 J7 ?, S
: } h8 f4 w/ vFor most of the Cameras, this sound is simulated, and it can be turned off in setting manu...# n9 ]6 o: v5 j& \
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The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.